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authorGravatar Nikias Bassen2021-06-07 02:01:35 +0200
committerGravatar Nikias Bassen2021-06-07 03:41:07 +0200
commit046b26150e004a8ac740e699c6c3e11be29e8f11 (patch)
tree8f59597463dccd81ca180a87668e53864c4b09ae /src/thread.c
downloadlibimobiledevice-glue-046b26150e004a8ac740e699c6c3e11be29e8f11.tar.gz
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Initial check-in of sources
Diffstat (limited to 'src/thread.c')
-rw-r--r--src/thread.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/src/thread.c b/src/thread.c
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+++ b/src/thread.c
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+/*
+ * thread.c
+ *
+ * Copyright (c) 2012-2019 Nikias Bassen, All Rights Reserved.
+ * Copyright (c) 2012 Martin Szulecki, All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "common.h"
+#include "libimobiledevice-glue/thread.h"
+
+LIBIMOBILEDEVICE_GLUE_API int thread_new(THREAD_T *thread, thread_func_t thread_func, void* data)
+{
+#ifdef WIN32
+ HANDLE th = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)thread_func, data, 0, NULL);
+ if (th == NULL) {
+ return -1;
+ }
+ *thread = th;
+ return 0;
+#else
+ int res = pthread_create(thread, NULL, thread_func, data);
+ return res;
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void thread_detach(THREAD_T thread)
+{
+#ifdef WIN32
+ CloseHandle(thread);
+#else
+ pthread_detach(thread);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void thread_free(THREAD_T thread)
+{
+#ifdef WIN32
+ CloseHandle(thread);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API int thread_join(THREAD_T thread)
+{
+ /* wait for thread to complete */
+#ifdef WIN32
+ return (int)WaitForSingleObject(thread, INFINITE);
+#else
+ return pthread_join(thread, NULL);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API int thread_alive(THREAD_T thread)
+{
+ if (!thread)
+ return 0;
+#ifdef WIN32
+ return WaitForSingleObject(thread, 0) == WAIT_TIMEOUT;
+#else
+ return pthread_kill(thread, 0) == 0;
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API int thread_cancel(THREAD_T thread)
+{
+#ifdef WIN32
+ return -1;
+#else
+#ifdef HAVE_PTHREAD_CANCEL
+ return pthread_cancel(thread);
+#else
+ return -1;
+#endif
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void mutex_init(mutex_t* mutex)
+{
+#ifdef WIN32
+ InitializeCriticalSection(mutex);
+#else
+ pthread_mutex_init(mutex, NULL);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void mutex_destroy(mutex_t* mutex)
+{
+#ifdef WIN32
+ DeleteCriticalSection(mutex);
+#else
+ pthread_mutex_destroy(mutex);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void mutex_lock(mutex_t* mutex)
+{
+#ifdef WIN32
+ EnterCriticalSection(mutex);
+#else
+ pthread_mutex_lock(mutex);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void mutex_unlock(mutex_t* mutex)
+{
+#ifdef WIN32
+ LeaveCriticalSection(mutex);
+#else
+ pthread_mutex_unlock(mutex);
+#endif
+}
+
+LIBIMOBILEDEVICE_GLUE_API void thread_once(thread_once_t *once_control, void (*init_routine)(void))
+{
+#ifdef WIN32
+ while (InterlockedExchange(&(once_control->lock), 1) != 0) {
+ Sleep(1);
+ }
+ if (!once_control->state) {
+ once_control->state = 1;
+ init_routine();
+ }
+ InterlockedExchange(&(once_control->lock), 0);
+#else
+ pthread_once(once_control, init_routine);
+#endif
+}
+
+void cond_init(cond_t* cond)
+{
+#ifdef WIN32
+ cond->sem = CreateSemaphore(NULL, 0, 32767, NULL);
+#else
+ pthread_cond_init(cond, NULL);
+#endif
+}
+
+void cond_destroy(cond_t* cond)
+{
+#ifdef WIN32
+ CloseHandle(cond->sem);
+#else
+ pthread_cond_destroy(cond);
+#endif
+}
+
+int cond_signal(cond_t* cond)
+{
+#ifdef WIN32
+ int result = 0;
+ if (!ReleaseSemaphore(cond->sem, 1, NULL)) {
+ result = -1;
+ }
+ return result;
+#else
+ return pthread_cond_signal(cond);
+#endif
+}
+
+int cond_wait(cond_t* cond, mutex_t* mutex)
+{
+#ifdef WIN32
+ mutex_unlock(mutex);
+ WaitForSingleObject(cond->sem, INFINITE);
+#else
+ return pthread_cond_wait(cond, mutex);
+#endif
+}
+
+int cond_wait_timeout(cond_t* cond, mutex_t* mutex, unsigned int timeout_ms)
+{
+#ifdef WIN32
+ mutex_unlock(mutex);
+ WaitForSingleObject(cond->sem, timeout_ms);
+#else
+ struct timespec ts;
+ struct timeval now;
+ gettimeofday(&now, NULL);
+
+ ts.tv_sec = now.tv_sec + timeout_ms / 1000;
+ ts.tv_nsec = now.tv_usec * 1000 + 1000 * 1000 * (timeout_ms % 1000);
+ ts.tv_sec += ts.tv_nsec / (1000 * 1000 * 1000);
+ ts.tv_nsec %= (1000 * 1000 * 1000);
+
+ return pthread_cond_timedwait(cond, mutex, &ts);
+#endif
+}